.block1 {
  padding: 60px 0 250px;
  position: relative;
  overflow: hidden;
  background: url(../images/culture-img2.png) no-repeat left bottom, url(../images/culture-img6.png) no-repeat right bottom 180px;
}
.block1::after {
  content: "";
  width: 245px;
  height: 440px;
  background: #175d9d;
  position: absolute;
  top: 110px;
  left: 0;
}
.block1 .swiper-box {
  height: 600px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
}
.block1 .swiper-box .swiper-container {
  -webkit-box-flex: 0;
      -ms-flex: 0 0 880px;
          flex: 0 0 880px;
  overflow: hidden;
  margin-left: -100px;
  position: relative;
}
.block1 .swiper-box .swiper-btns {
  position: absolute;
  bottom: 0;
  width: 100%;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: end;
      -ms-flex-pack: end;
          justify-content: flex-end;
}
.block1 .swiper-box .swiper-btns .swiper-button-prev,
.block1 .swiper-box .swiper-btns .swiper-button-next {
  width: 55px;
  height: 55px;
  background: #175d9d;
  position: relative;
  left: 0;
  opacity: 1;
}
.block1 .swiper-box .swiper-btns .swiper-button-prev::after,
.block1 .swiper-box .swiper-btns .swiper-button-next::after {
  color: #fff;
  font-size: 14px;
}
.block1 .swiper-box .swiper-btns .swiper-button-next {
  background: #fff;
}
.block1 .swiper-box .swiper-btns .swiper-button-next::after {
  color: #175d9d;
}
.block1 .swiper-box .img {
  width: 880px;
  height: 600px;
  overflow: hidden;
}
.block1 .swiper-box .img:hover img {
  -webkit-transform: scale(1.2);
          transform: scale(1.2);
}
.block1 .swiper-box .img img {
  -webkit-transition: all 0.3s;
  transition: all 0.3s;
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
     object-fit: cover;
}
.block1 .text-right {
  margin-left: 85px;
  margin-top: 65px;
}
.block1 .text-right .text-box {
  margin-bottom: 110px;
}
.block1 .text-right .text-box.active .title {
  color: #175e9d;
}
.block1 .text-right .title {
  font-size: 30px;
  font-weight: bold;
  color: #000;
  position: relative;
  margin-bottom: 25px;
}
.block1 .text-right .title::before {
  content: "";
  width: 200%;
  height: 1px;
  background: #83abce;
  position: absolute;
  top: 0;
  left: 200px;
  bottom: 0;
  margin: auto;
}
.block1 .text-right .desc {
  color: #333;
  line-height: 30px;
}

.block2 {
  background: url(../images/culture-img7.png) no-repeat right top;
  padding-bottom: 200px;
}
.block2 .ny_title_1 {
  margin-bottom: 50px;
}
.block2 .ny_title_1 em {
  text-align: center;
  font-size: 16px;
  margin-top: 35px;
}
.block2 .list-item {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 50px;
  text-align: center;
}
.block2 .list-item .item {
  height: 535px;
  padding: 100px 70px 0;
  border: 1px solid #99bbd8;
  position: relative;
}
.block2 .list-item .item::before, .block2 .list-item .item::after {
  content: "";
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  -webkit-transition: background 0.3s;
  transition: background 0.3s;
}
.block2 .list-item .item:hover::after {
  background: #175e9d;
}
.block2 .list-item .item:hover::before {
  background: url(../images/culture-img3.jpg) no-repeat center/cover;
  opacity: 0.15;
  z-index: 1;
}
.block2 .list-item .item:hover p,
.block2 .list-item .item:hover span,
.block2 .list-item .item:hover .desc {
  color: #fff;
}
.block2 .list-item p {
  font-size: 26px;
  font-weight: bold;
  color: #175e9d;
  position: relative;
  z-index: 2;
}
.block2 .list-item span {
  font-size: 26px;
  font-weight: bold;
  color: #000;
  display: block;
  margin: 20px 0;
  position: relative;
  z-index: 2;
}
.block2 .list-item .desc {
  font-size: 16px;
  color: #333;
  line-height: 30px;
  position: relative;
  z-index: 2;
}

.block3 {
  margin-top: -60px;
  overflow: hidden;
  margin-bottom: 100px;
}
.block3 .list-item {
  position: relative;
  height: 470px;
  padding: 90px 0;
  -webkit-box-sizing: content-box;
          box-sizing: content-box;
  background: url(../images/culture-img11.png) no-repeat right 40px;
}
.block3 .list-item:hover img {
  -webkit-transform: scale(1.2);
          transform: scale(1.2);
}
.block3 .list-item .img {
  width: 50%;
  font-size: 0;
  height: 470px;
  position: absolute;
  left: 0;
  overflow: hidden;
}
.block3 .list-item .img img {
  -webkit-transition: all 0.3s;
  transition: all 0.3s;
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
     object-fit: cover;
}
.block3 .list-item .width-1400 {
  width: 1400px;
  margin: 0 auto;
  position: relative;
}
.block3 .list-item .text {
  width: 50%;
  padding-left: 70px;
  padding-top: 105px;
  float: right;
}
.block3 .list-item .text p,
.block3 .list-item .text span {
  font-size: 30px;
  font-weight: bold;
  color: #175e9d;
  line-height: 48px;
}
.block3 .list-item .text span {
  color: #000;
}
.block3 .list-item .text .desc {
  margin-top: 70px;
  color: #333;
  line-height: 30px;
  text-align: justify;
}
.block3 .list-item .num {
  position: absolute;
  width: 135px;
  height: 135px;
  line-height: 135px;
  color: rgba(255, 255, 255, 0.1);
  background: #175d9d;
  font-size: 72px;
  text-align: center;
  font-style: italic;
  font-weight: bold;
  font-family: "arial";
  right: 0;
  top: 25px;
}
.block3 .list-item:nth-child(2n+1) {
  background-position: left top;
}
.block3 .list-item:nth-child(2n+1) .img {
  left: auto;
  right: 0;
}
.block3 .list-item:nth-child(2n+1) .text {
  float: none;
  padding-left: 0;
  padding-right: 70px;
  padding-top: 150px;
}
.block3 .list-item:nth-child(2n+1) .num {
  right: auto;
  left: 0;
  top: -20px;
}